Elgg-Lorea-Hydra/mod/backup-tool/actions/create.php

<?php

/*
 *  Create a new backup file
 */

elgg_load_library("backup_tool");

$backup_options = get_input("backup_options");

if ($filename = backup_tool_create_backup($backup_options)){
     system_messages(elgg_echo("backup-tool:create:success", array($filename)));
}else{
    register_error(elgg_echo("backup-tool:create:fail"));
}

exit();